NJ7P SQL Tube Database Query

A horizontal ribbon.

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A horizontal ribbon.

55S
Twin Diode - Medium-Mu Triode

EIA Base & Outline

EIA Base: 6GEIA Bulb: 12-6
Source ........................................ ARRL HB -1947

Application

Glass type used as a combined detector, amplifier and avc tube. Requires six-contact socket. Has external shield connectd to cathode.

Mechanical Data

Bulb .......................................... ST-12
EIA Outline ................................... 12-6
EIA Base ...................................... 6G

Electrical Data

Heater Voltage ................................ 2.5 V
Heater Current ................................ 1 A

For other characteristics and typical operation, see 55

A horizontal ribbon.

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Thu, 30 Jun 2022 06:18:26 -0700